CSIR Physical Sciences: Questions 375  377 of 401
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Passage
A beam of pions is incident on a proton target, giving rise to the process
(June)
Question number: 375 (2 of 2 Based on Passage) Show Passage
» Nuclear and Particle Physics » Elementary Particles and Quantum Numbers » Isospin
Appeared in Year: 2011
Question
Using Isospin symmetry, the cross – section for the above process can be related to that of the process –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 376
» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics
Appeared in Year: 2011
Question
A planet of mass m moves in the inverse square central force field of the Sun of mass M. If the semi – major and semi – minor axes of the orbit are and , respectively, the total energy of the planet is: (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 377
» Electromagnetic Theory » Scalar and Vector Potentials
Appeared in Year: 2011
Question
The Lagrangian of a particle of charge and mass m in applied electric and magnetic field is given by , where and are the vector and scalar potentials corresponding to the magnetic and electric fields, respectively. Which of the following statement is correct? (June)
Choices
Choice (4)  Response  

a.  Under a gauge transformation of the potentials, L changes by the total time derivative of a function of and . 

b.  The canonically conjugate momentum of the particle is given by 

c.  L remains unchanged under a gauge transformation of the potentials 

d.  The Hamiltonian of the particle is given by 
